采矿业必须发展以满足不断变化的世界的需求。

"I want to write books that make children think and feel."

领导力是一条双向街道，向上忠诚和向下忠诚。尊重上级；关心下属。

真相往往不止一个。

You can’t just sit there and wait for people to give you that golden dream. You’ve got to get out there and make it happen for yourself.

我们大多数人在物理学上所能期望的最好结果，就是在更深层次上误解。